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IPC Subgroup
G10L 15/193

Formal grammars, e.g. finite state automata, context free grammars or word networks

Introduced: January 2013

Full Title

Speech recognition > Speech classification or search > using natural language modelling > using context dependencies, e.g. language models > Grammatical context, e.g. disambiguation of recognition hypotheses based on word sequence rules > Formal grammars, e.g. finite state automata, context free grammars or word networks

Classification Context

Section:
PHYSICS
Class:
MUSICAL INSTRUMENTS; ACOUSTICS
Subclass:
SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING

Top Applicants

Top 10 applicants by patent filingsfor class G10, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 5,218
  2. GOOGLE US 4,644
  3. FRAUNHOFER DE 4,601
  4. SONY CORPORATION JP 2,380
  5. HUAWEI TECHNOLOGIES COMPANY CN 2,179
  6. YAMAHA CORPORATION 2,120
  7. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 1,974
  8. MICROSOFT TECHNOLOGY LICENSING US 1,916
  9. AMAZON TECHNOLOGIES US 1,866
  10. DOLBY LABORATORIES LICENSING CORPORATION US 1,843